baber/WOPTO huggingface dataset:
Patent CA-2002123-C (CA)
Inventor: MARCHETTI AUGUSTO
IPC: B65B51/06
Filed: 1989-11-02
Granted: 1998-07-28
Abstract: The taping unit includes a supporting frame, structure for the delivery of the adhesive tape, an entry application roller and an exit application roller movable between an extracted or at rest position and a retracted position, and a tape cutter.  The entry application roller is mounted on a mobile support, which is engaged with a guide contained within the outline of the frame of the taping unit and conformed so as to move the entry roller along a circular path with its center positioned outside the frame.  The guide is preferably constituted by a fixed pivot slidably engaged in a shaped slot of the mobile support and by a connection pivot between the same mobile support and an arm rotatable on a fixed axis.
Patent CA-2004960-C (CA)
Title: Isomerization of carboxylic acids
Inventor: BURKE PATRICK M
IPC: C07B61/00
Filed: 1989-12-08
Granted: 1999-09-21
Abstract: Isomerization of branched saturated alkyl carboxylic acids to linear or isomeric branched alkyl carboxylic acids, or vice versa, by heating in the presence of a iodide or bromide promoted rhodium catalyst and carbon monoxide.
Patent CA-2009937-C (CA)
Title: Voice-data telephonic control system
Inventor: KATZ RONALD A
IPC: G07C11/00
Filed: 1990-02-13
Granted: 1996-06-11
Abstract: In an audio-digital telephone interface system, a control selectively prompts a caller with oral instructions to selectively provide:  control signals, digital data signals (numeric) or audio signals.  A data cell is loaded in accordance with an operating program of the control and the resulting data packet is classified, as depending on the presence of audio signals.  Data packets are returned to storage, as for subsequent off-line processing.  The illustra-tive format receives and organizes mail order data from callers.
Patent CA-2011383-C (CA)
Inventor: GIBBONS WAYNE MICHAEL
IPC: G11B7/0055
Filed: 1990-03-02
Granted: 2000-04-04
Abstract: Disclosed is a process for aligning the molecules in a liquid crystal medium having a surface adjacent to a substrate, in which the liquid crystals have a molecular weight of less than 1500, and anisotropically absorbing molecules in the medium or in the substrate adjacent to it are exposed to linearly polarized light of a wavelength within the absorption band of the absorbing molecules, and alignment of the liquid crystal medium at an angle + or - .theta. with respect to the direction of the linear polarization of the incident light beam is induced by the exposed anisotropically absorbing molecules.
Patent CA-2023389-C (CA)
Title: Upper and lower beam optical switch for line-of-light headlamps using opaque masks
Inventor: HANSLER RICHARD L
IPC: F21S8/12
Filed: 1990-08-16
Granted: 2001-04-17
Abstract: A "line-of-light" vehicle lighting system employs a moveable mask to control the beam pattern formed by an plurality of fiber optic light bundles coupled to a single high intensity light source. The lighting system comprises a single high intensity light source coupled to forward illumination devices by means of optical light conducting devices. The forward illumination devices include an arrangement of connectors, a mask member and lens elements. The connectors lodge fiber optic light bundles branched off from the optical light conducting devices and emit light through respective apertures. The mask has a plurality of openings for selectively exposing portions of the apertures which, in combination with the lens elements, form the beam pattern. The mask is movable between two positions to register first and second openings in the mask with associated apertures to form the high and low beam patterns of the forward lighting system.
Patent CA-2027271-C (CA)
Title: Moisture indicating ink and package having same
Inventor: LAUTERBACH JOHN H
IPC: G01N31/22
Filed: 1990-10-10
Granted: 1995-05-02
Abstract: A  solution-type  moisture  indicating  ink  to  be  printed  on  a substrate and change color at a preselected ambient moisture. The indicator ink includes a solvent carrier system, a moisture indicating substance which changes color under the influence of moisture, and a resin system as a binder to hold the moisture indicating substance to the substrate as well as a film forming and viscosity adjusting agent.
Patent CA-2029943-C (CA)
Inventor: NIIMI HIROJI
IPC: B05D7/16
Filed: 1990-11-14
Granted: 1999-10-12
Abstract: Resin-coated steel sheets which have excellent workability in drawing and ironing even at a normal temperature without preheating, and which give, by drawing and ironing, DI cans having resin coating satisfactory in adhesion, corrosion resistance, and external appearance.      The sheets comprise a steel sheet tin-coated on one side and chromate-treated on the other side, the chromate-treated side being further coated with a resin composition composed of a thermoplastic polyester resin prepared by a thermal fusion reaction of 95 to 5 % by weight of a crystalline polyester and 5 to 95 % by weight of non-crystalline polyester and having an alloying ratio, of 5 to 50 %. The sheets may be tin-coated on both sides, one of which is further coated with the above resin composition or a non-crystalline resin and further the above resin composition, or the above resin composition and further a crystalline polyester resin.
Patent CA-2030279-C (CA)
Title: Low sediment method for preparing copper salts of polyolefinic-substituted dicarboxylic acids
Inventor: EVANS JOAN M
IPC: C08F8/44
Filed: 1990-11-19
Granted: 2001-01-30
Abstract: The present invention is directed to a low sediment method of producing oleaginous compositions captaining copper salts of the product of a polyolefin having a numerical average molecular weight (~ n) of at least 600 which has been substituted with an average of at least 0.5 dicarboxylic acid anhydride moiety per polyolefin molecule, wherein the polyolefin-substituted dicarboxylic acid anhydride is contacted with a water-soluble copper reactant in the presence of at least 1,000 wt.% above the amount theoretically required to hydrolyze the polyolefin-substituted dicarboxylic acid anhydride material charged) and in the presence of a solvent for the polyolefin-substituted dicarboxylic acid anhydride material charged. The resulting copper salt products, and amine derivatives thereof, are useful in lubricating oils as additives, e.g., as antioxidant tube oil additives.
Patent CA-2035698-C (CA)
Title: Chlorine-free bleaching method for dissolving-grade pulps
Inventor: HRUSCHKA ANTON
IPC: D06L4/70
Filed: 1991-02-05
Granted: 2003-03-25
Abstract: A three-stage bleaching process for dissolving grade pulp utilizes the sequence EOP-Z-P and the off gas from the Z stage is delivered to the EOP stage whose parameters are controlled to fully react all of the oxygen of the off gas. The filtrate or waste water from the Z stage, at a pH below 3, serves to dilute the EOP pulp before Z stage bleaching and/or for de-ashing of the P pulp follow-ing the P stage.
Patent CA-2037168-C (CA)
Title: Glutaraldehyde resin binding system for manufacture of wood products
Inventor: DETLEFSEN WILLIAM DAVID
IPC: C08L61/26
Filed: 1991-02-27
Granted: 1996-06-04
Abstract: This invention relates to ethyleneurea-glutaraldehyde resins, urea-ethyleneurea-glutaraldehyde resins, their synthesis, as well as their application as an adhesive for wood panel manufacture. Molar ratio of ethyleneurea to glutaraldehyde can range from 0.3 to 3.5. Urea incorporated into ethyleneurea-glutaraldehyde resin can be as high as two times the moles of glutaraldehyde used in the formulation and can be introduced at any stage during the reaction course, simply post aWed, or any combination of the above.
Patent CA-2038389-C (CA)
Title: Transmission system solenoid controlled actuator fault detection system and method
Inventor: WRIGHT KEITH
IPC: F16H61/18
Filed: 1991-03-15
Granted: 1995-10-31
Abstract: Solenoid actuator open-circuit and closed-circuit faults are detected using shunt resistors (R1, R4) across the solenoid (1), a transistor switch (4), a voltage monitor (7) and/or (14) across one or both of these which can detect a faulty open-circuit solenoid that is not energized, or a faulty closed-circuit solenoid that is energized.         The invention proposes that, before each change in actuator position, the solenoids are all energized to an opposite condition for a time insufficient to move the actuator, but enough to check the voltage monitor responses.  In this way, all open and closed circuit faults are detected.
Patent CA-2038449-C (CA)
Title: Method of and apparatus for producing metal powder
Inventor: ISSHIKI NAOTSUGU
IPC: B22F9/10
Filed: 1991-03-18
Granted: 1999-03-16
Abstract: A cooling liquid is injected into and supplied to a cooling tubular body along its inner periphery to form a cooling liquid layer flowing down the inner peripheral surface of the body while revolving.  A molten metal is then injected into the cooling liquid layer from the inner peripheral side thereof to divide, rapidly cool and solidify the stream of molten metal with the cooling liquid layer and obtain a metal powder.          Since the metal powder is continuously obtained upon flowing down the tubular body along with the cooling liquid, the liquid can be continuously removed from the powder by suitable means, and the power can be subsequently dried continuously.
Patent CA-2039824-C (CA)
Title: Bicone antenna with hemispherical beam for satellite system
Inventor: ROSEN HAROLD A
IPC: H01Q15/24
Filed: 1991-04-04
Granted: 1996-01-09
Abstract: A bicone microwave antenna having an or orthomode tee as an input/output termi-nal, an internal dielectric polarizer, a circular waveguide with eight longitudinal radiat-ing slots, two 30 degree conical reflectors, an external meanderline polarizer, and a partial circular waveguide short. An RF signal from the input/output terminal is con-verted into a rotating TE11 mode by the internal dielectric polarizer. The radiating slots in combination with the conical reflectors radiate the RF signal as a horizontally polar-ized field in a doughnut-shaped pattern. The meanderline polarizer converts the hori-zontally polarized field into a circularly polarized field. The partial circular waveguide short leaks a predetermined amount of radiation out the end of the waveguide to fill the center hole of the doughnut-shaped radiation pattern, thus producing a hemispherical RF beam having an elevation angle from 110 to -110 degrees. The use of impedance-matching circular rings in the waveguide further enhances the ability of the antenna to operate in three frequency bands.
Patent CA-2048033-C (CA)
Title: Portable telephone set comprising input keys and a shift key on different surfaces
Inventor: TAMURA YOSHIHARU
IPC: H04W88/02
Filed: 1991-07-29
Granted: 1995-06-06
Abstract: On storing characters representative of destination names in a memory (26) of a portable telephone set by press down of input keys (16), a shift key (23) is put in one and the other of operated and nonoperated states if the characters of a first group, such as lowercase letters, and the characters of a second group, such as capital letters, should be used.  The input and the shift keys are arranged on different surfaces of the telephone set so that the input keys can be pressed by a finger of, for example, the right hand with the telephone set held by the left hand and the shift keys manipulated by a finger of the left hand.  The memory can be accessed by abbreviated telephone codes and can memorize the abbreviated telephone codes and corresponding full telephone numbers in addition to the destination names for display.
Patent CA-2049002-C (CA)
Inventor: FORBERG HANS-JUERGEN
IPC: A61M5/175
Filed: 1991-01-22
Granted: 1998-10-06
Abstract: Dispositif de perfusion ou de transfusion pouvant être raccordé à une tubulure souple (16). Le mécanisme de régulation (8, 9, 10, 12) du débit du liquide à l'intérieur de la tubulure souple (16) est un élément structural rigide de la chambre compte-gouttes (1) contenant le liquide pour perfusion ou transfusion. Le débit est régulé par un écrou de régulation (12) qui raccorde effectivement le bouton de régulation (10) à une tubulure souple (16). L'élément structural comporte une pièce de raccordement tubulaire (2) à bout scellé (3) ayant des perforations latérales (4). La pièce de raccordement tubulaire (2) est entourée d'un tuyau fileté tubulaire (6) divisé en segments (8, 9) séparés par des points de séparation (7). Les perforations latérales (4) donnent sur des rainures orientées vers le bas (5) qui établissent une voie d'écoulement. Les segments (8, 9) comportent des éléments de régulation (10) qui déplacent la tubulure dans les rainures (5) et peuvent être déplacés par un bouton de régulation fileté à l'intérieur (12) vissé sur le tuyau fileté (6).
Patent CA-2055437-C (CA)
Inventor: UNGEMACH PIERRE
IPC: E21B41/02
Filed: 1991-02-22
Granted: 2003-05-06
Abstract: A well completion device is disclosed using a steel support casing (2) associated with a production or injection string (3) made of composite materials, with free annular space (6). The invention relates to a device for protecting wells from the risks of corrosion and deposits due to the nature of the fluid produced or present in the well. It is formed of a steel support casing (2), associated with a composite material production string (3), with a free annular space (6) particularly for the injection of inhibiting agents without stopping working. The string (3) is laid on the casing (2) via a device (4) which may be lowered at the same time as the string (3) and which has openings (13) ensuring the hydraulic continuity of the annular space (6). The device of the invention is particularly well adapted to wells conveying fluids which are aggressive with respect to traditional steel casings.
Patent CA-2061930-C (CA)
Title: Adaptive matched pre-filtering of a decision feedback equalized input
Inventor: MIZOGUCHI SHOICHI
IPC: H03H21/00
Filed: 1992-02-26
Granted: 1999-03-16
Abstract: An automatic equalizer includes an adaptive matched filter connected in front of a decision feedback equalizer of a conventional design.  The adaptive matched filter has an A/D converter for sampling and quantizing an analog baseband signal into a digital signal, which is applied to a transversal filter.  The transversal filter is supplied with tap coefficients adaptively controlled by a control signal generator which makes automatic adjustments to symmetrize the impulse response of a transmission path depending on the status of fading.  The automatic equalizer can sufficiently equalize the fading in the range ~> 1 in which the reflected wave is stronger than the direct wave, which fading cannot be adequately equalized only by the conventional decision feedback equalizer.
Patent CA-2067043-C (CA)
Title: High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same
Inventor: SATOH SUSUMU
IPC: C22C38/12
Filed: 1992-04-24
Granted: 1998-04-28
Abstract: Disclosed is a high strength cold rolled steel sheet having excellent non-aging property at room temperature and excellent drawability.  The steel sheet has a dual-phase structure composed of a high-temperature transformed ferrite phase and a low-temperature transformed ferrite phase having high dislocation density and a composition by weight % of 0.001 to 0.025 C; not more than 1.0 Si; 0.1 to 2.0 Mn; 0.001 to 0.2 Nb; 0.0003 to 0.01 B; 0.005 to 0.10 Al; not more than 0.1 P, not more than 0.007 N; at least of 0.05 to 3.0 Ni; 0.01 to 2.0 wt% of Mo and 0.05 to 5.0 wt% of Cu, and the balance substantially Fe.
Patent CA-2068460-C (CA)
Title: Deodorizing edible oil and/or fat with non-condensible inert gas and recovering a high quality fatty acid distillate
Inventor: BARRADO ROMAN RODRIGUEZ
IPC: C11C1/02
Filed: 1992-05-12
Granted: 1997-10-28
Abstract: The invention relates to a process for deodorizing edible oils and/or fats comprising: heating edible oil and/or fat to an elevated temperature; introducing or injecting non-condensible inert gas into said edible oil and/or fat to strip or remove substances that impart disagreeable odor and taste to said edible oil and/or fat; and recovering the resulting deodorized edible oil and/or fat, wherein an amount of said non-condensible inert gas introduced or injected is substantially less than the theoretically required amount for deodorizing said edible oil and/or fat.  The condensible gas may be preheated before its introduction into the edible oil and/or fat.
Patent CA-2071240-C (CA)
Title: Hermetically sealed implantable transducer
Inventor: BISCH MICHAEL EVREMONDE
IPC: H04R25/00
Filed: 1992-06-15
Granted: 2000-10-24
Abstract: A hermetically sealed transducer mechanism for an implantable hearing aid system having a signal processing unit having at least one electromechanical transducer coupled to the auditory system of a human.      The transducer having an outer casing and at least one moving member extending outside the casing. The invention comprising a hermetically sealed bellows member having two ends and a generally cylindrical side wall. One end of the bellows member being hermetically affixed to the transducer casing and the other end of the bellows member being hermetically affixed to the moving member at a point outside the transducer casing.      The side wall having a plurality of corrugations formed therein to allow the moving member to vibrate independently from the transducer casing while providing a hermetic seal protecting the interior of the transducer.
Patent CA-2077083-C (CA)
Inventor: BELLET SERGE
IPC: C10G9/16
Filed: 1991-12-26
Granted: 2001-07-31
Abstract: In a method for manufacturing one or more chemicals, a chemical reaction is carried out by circu- lating one or more reagents inside a tube (2-9) located in the radiation zone of an oven (1). At least a part of the tube is vibrated to limit the deposits of reaction by- products on its inner wall. The tube may be vibrated specifically with a frequency from 500 to 2000 Hertz.  A device for implementing the method is also dis- closed, and comprises an oven with a thermal radia- tion body through which at least one tube (2-9) passes and which is fitted with at least one means of excit- ation capable of vibraring the tube.   La présente invention concerne un procédé de fabrication d'un ou plusieurs produits chimiques dans lequel on réalise une réaction chimique en faisant cir- culer un ou plusieurs réactifs â l'intérieur d'un tube (2-9) disposé dans une zone de radiation d'un four (1). Dans ce procédé, on fait vibrer au moins une partie du tube afin de limiter les dépots de sous-produits de la réaction sur sa paroi interne. Plus particulièrement, la vibration du tube peut s'effectuer avec une fréquence allant de 50 à 2000 Hertz. L'invention concerne égaiement un dispositif pour réaliser le procédé de l'invention qui est un four comprenant une enceinte thermique de radiation à travers laquelle passeau moins un tube (2-9) et qui est muni d'au moins un moyen d'excitation susceptible de générer une vibration du tube.</S DOAB>
Patent CA-2077330-C (CA)
Title: Soffit mount air ventilator
Inventor: LEGAULT REGINALD C
IPC: F24F7/00
Filed: 1992-09-01
Granted: 1995-11-28
Abstract: A vent hood mountable on the soffit of a building for exhausting a room ventilating system to atmosphere and a building having a room ventilating system connected to such soffit mounted vent.   The ventilating system is a conventional power driven forced air unit with an air inlet communicating with the room to be ventilated and an exhaust outlet.   The exhaust outlet is connected to the soffit mounted vent hood by a flexible conduit.  The vent hood has a pivotally mounted flap valve normally closed and remains closed, when not in use, by the force of gravity.  The flap valve is upstream from the discharge opening from the vent hood and preferably slopes, when in a closed position, relative to the vertical when the vent hood is mounted in situ.
Patent CA-2082548-C (CA)
Title: Multilayer plastic pipe
Inventor: MUGGE JOACHIM
IPC: F16L9/12
Filed: 1992-11-10
Granted: 2002-05-28
Abstract: A multilayer plastic pipe consisting of an inner and outer layer based on a polyamide, the inner and outer layer being intimately bonded to one another by at least one intermediate layer of a moulding composition based on a mixture of 95 to 60% by weight of a linear, crystalline polyester and 5 to 40% by weight of a polymer containing reactive groups other than epoxy groups. At least 50% of the end groups of the polyamide are amino end groups. The pipes have a good mechanical resistance and a good barrier action against diffusion of chemical agents, solvents and fuels. Due to the intimate bonding of the layers, no shear-ing or delamination of the various layers occur during thermal expansion or bending of the pipe.
Patent CA-2083705-C (CA)
Title: A method and a device for supervising and testing majority voting
Inventor: ROOS STURE GOESTA
IPC: H04Q11/04
Filed: 1991-07-09
Granted: 1999-04-27
Abstract: The invention relates to a method and a device for testing and supervising majority votes in a multiplane digital time selector with essentially identical equipment in each of at least three planes (A,B,C) working in parallel. An incoming data flow is distributed to the planes and is allowed to pass through the equipment in each of them and gives rise to outgoing data streams. These outgoing data streams are compared to each other and a majority voted outgoing data flow based upon the comparison is delivered from the unit. An error is periodically introduced in accordance with a predetermined pattern in the three planes and the data streams arriving at the majority vote and the majority voted data flow are compared. If an error is then found in any of the data streams an alarm is emitted. If an alarm (LARM1) is expected that has been caused by an error introduced in accordance with the predetermined pattern, this alarm is identified based upon knowledge of the predetermined pattern in order to distinguish from alarms, which results from errors not introduced in accordance with the pattern.
Patent CA-2086389-C (CA)
Title: Vend transaction control means
Inventor: LEVASSEUR JOSEPH LEO
IPC: G07F5/24
Filed: 1992-12-29
Granted: 1995-12-26
Abstract: The present invention comprises an apparatus for controlling the vending and payback of change in a vending machine and includes a device for establishing a list of permissible payback amounts from the vending machine and for adding each of the permissible amounts to a vend price established by a customer selecting a particular vend, and a payback storage device from which change is paid back including apparatus for determining the availability of coins in the payback storage device to satisfy the permissible amount for payback.
Patent CA-2086666-C (CA)
Title: Tenter for treatment of an endless fabric
Inventor: NESET KARSTEN T
IPC: B65H20/16
Filed: 1992-11-16
Granted: 1996-07-09
Abstract: Tenter for an endless fabric, especially for use by heat treatment as a part process in the connection with manufacturing of fabric for a paper machine comprising several carriages for guiding the rims of the fabric material by means of a carrier for each carriage which is connected with a drive chain, each carriage thereby comprising at least one spring arranged between the carrier and an abutment in the carriage such that the velocity of each carriage substantially corresponds with the speed of the fabric rim, and further comprising a means for register and monitoring the tension force in the material based on which the velocity of the drive chain and the carrier is adjusted to maintain a desired velocity for the fabric through the heat treatment zone.